projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 310b3460 | 1 | /* Test for realpath/canonicalize function. |
| 04277e02 | 2 | Copyright (C) 1998-2019 Free Software Foundation, Inc. |
| 41bdb6e2 | 3 | This file is part of the GNU C Library. |
| 310b3460 UD |
4 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. |
| 5 | ||
| 6 | The GNU C Library is free software; you can redistribute it and/or | |
| 41bdb6e2 AJ |
7 | modify it under the terms of the GNU Lesser General Public |
| 8 | License as published by the Free Software Foundation; either | |
| 9 | version 2.1 of the License, or (at your option) any later version. | |
| 310b3460 UD |
10 | |
| 11 | The GNU C Library is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 41bdb6e2 | 14 | Lesser General Public License for more details. |
| 310b3460 | 15 | |
| 41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| 310b3460 UD |
19 | |
| 20 | #include <errno.h> | |
| 21 | #include <string.h> | |
| 22 | ||
| 23 | ||
| 24 | /* Prototype for our test function. */ | |
| 25 | extern void do_prepare (int argc, char *argv[]); | |
| 26 | extern int do_test (int argc, char *argv[]); | |
| 27 | ||
| 28 | /* We have a preparation function. */ | |
| 29 | #define PREPARE do_prepare | |
| 30 | ||
| 31 | #include <test-skeleton.c> | |
| 32 | ||
| 33 | /* Name of the temporary files we create. */ | |
| 34 | char *name1; | |
| 35 | char *name2; | |
| 36 | ||
| 37 | /* Preparation. */ | |
| 38 | void | |
| 39 | do_prepare (int argc, char *argv[]) | |
| 40 | { | |
| 30aa5785 | 41 | size_t test_dir_len; |
| 310b3460 UD |
42 | |
| 43 | test_dir_len = strlen (test_dir); | |
| 44 | ||
| 45 | /* Generate the circular symlinks. */ | |
| 46 | name1 = malloc (test_dir_len + sizeof ("/canonXXXXXX")); | |
| 47 | mempcpy (mempcpy (name1, test_dir, test_dir_len), | |
| 48 | "/canonXXXXXX", sizeof ("/canonXXXXXX")); | |
| 49 | name2 = strdup (name1); | |
| 50 | ||
| 51 | add_temp_file (mktemp (name1)); | |
| 52 | add_temp_file (mktemp (name2)); | |
| 53 | } | |
| 54 | ||
| 55 | ||
| 56 | /* Run the test. */ | |
| 57 | int | |
| 58 | do_test (int argc, char *argv[]) | |
| 59 | { | |
| 60 | char *canon; | |
| 61 | ||
| 62 | printf ("create symlinks from %s to %s and vice versa\n", name1, name2); | |
| 63 | if (symlink (name1, name2) == -1 | |
| 64 | || symlink (name2, name1) == -1) | |
| 65 | /* We cannot test this. */ | |
| 66 | return 0; | |
| 67 | ||
| 68 | /* Call the function. This is equivalent the using `realpath' but the | |
| 69 | function allocates the room for the result. */ | |
| 70 | errno = 0; | |
| 71 | canon = canonicalize_file_name (name1); | |
| 72 | ||
| 73 | return canon != NULL || errno != ELOOP; | |
| 74 | } |